CN114837897A - Wind power tower cylinder with all-section tensioning prestressed concrete structure - Google Patents
Wind power tower cylinder with all-section tensioning prestressed concrete structure Download PDFInfo
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- CN114837897A CN114837897A CN202110141451.7A CN202110141451A CN114837897A CN 114837897 A CN114837897 A CN 114837897A CN 202110141451 A CN202110141451 A CN 202110141451A CN 114837897 A CN114837897 A CN 114837897A
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- 239000011513 prestressed concrete Substances 0.000 title claims abstract description 12
- 239000004567 concrete Substances 0.000 claims abstract description 164
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 112
- 239000010959 steel Substances 0.000 claims abstract description 112
- 239000011148 porous material Substances 0.000 claims abstract description 51
- 238000004873 anchoring Methods 0.000 claims abstract description 34
- 238000000034 method Methods 0.000 claims description 8
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 12
- 235000017491 Bambusa tulda Nutrition 0.000 description 12
- 241001330002 Bambuseae Species 0.000 description 12
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 12
- 239000011425 bamboo Substances 0.000 description 12
- 238000010276 construction Methods 0.000 description 6
- 238000005452 bending Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000011440 grout Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
- F03D13/22—Foundations specially adapted for wind motors
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- General Engineering & Computer Science (AREA)
- Wind Motors (AREA)
Abstract
The invention relates to a wind power tower cylinder with a full-segmented tension prestressed concrete structure, which comprises a concrete foundation (1), a concrete tower cylinder (2), a steel tower cylinder (3) and steel strands, wherein the concrete foundation is a concrete foundation; the concrete foundation is provided with a first pore channel; the concrete tower drum is in a hollow circular truncated cone shape and comprises a plurality of sections of concrete drum sections (20), a certain two sections of adjacent drum sections in the middle are respectively a middle anchoring lower drum section (21) and a middle anchoring upper drum section (22), and the highest section of drum section is a top concrete drum section (23); the top surface of the middle anchoring lower cylinder section is provided with a bracket and a second pore passage, the bottom surface of the middle anchoring upper cylinder section is provided with a bracket and a third pore passage (43), and the second pore passage and the third pore passage are aligned one by one; the top surface of the top concrete shell ring is provided with a bracket and a fourth pore passage (44); the steel strands comprise low-section cylindrical shell section steel strands (41) and high-section cylindrical shell section steel strands (42) and are sequentially and alternately arranged along the circumferential direction. The invention can reduce the consumption of steel strands and the strength grade of the high section of the concrete cylinder section.
Description
Technical Field
The invention relates to a wind power tower cylinder with a steel-concrete structure, in particular to a wind power tower cylinder with a full-segmented tension prestressed steel-concrete structure.
Background
Wind power generation is used as a clean energy technology and is widely applied to the three north area with good wind resources in China. As the development of the "three north" region is becoming saturated, wind power generation is progressing toward the inland region. Because the wind speed of the inland region is lower, and meanwhile, the power of the wind generating set is increased day by day, the diameter of a wind wheel is increased more and more, the height of a tower barrel is also increased more and more, and the height of the tower barrel of the land wind generating set in China at present reaches 120-160 meters.
Along with the tower section of thick bamboo increases, traditional steel tower section of thick bamboo rigidity is lower, thereby the tower section of thick bamboo easily produces resonance and leads to destroying. At present, wind power towers of steel-concrete (steel-concrete) structures are deeply researched and widely applied, the lower part of a cylinder body of the wind power tower adopts a concrete tower cylinder, the upper part of the cylinder body adopts a steel tower cylinder, the height ratio of the concrete tower cylinder and the steel tower cylinder is determined by the frequency and the economical efficiency of the wind power tower cylinder, and the steel-concrete structures can effectively improve the rigidity of the tower cylinder and ensure that the problem that the tower cylinder generates resonance is avoided. The concrete tower drum is prefabricated in sections and fragments and assembled and hoisted on site, namely, the tower drum is divided into a plurality of drum sections along the height direction, the drum sections are divided into a plurality of ring pieces along the circumferential direction, the ring pieces are transported to the site after being prefabricated in a factory and assembled on a special assembling platform, the whole concrete tower drum is hoisted after being assembled, and prestress is applied to the whole concrete tower drum part after the hoisting is completed, so that the concrete tower drum part is formed into a whole.
The amount of prestressing applied to the concrete tower is generally calculated on the basis that no tensile stress occurs in the concrete tower. Because the concrete tower tube has the largest bottom bending moment and the smallest top bending moment, although the bottom axial force is larger than the top axial force, according to the calculation criteria, the prestress which needs to be applied to the bottom of the concrete tower tube is the largest, and the prestress which needs to be applied to the top of the concrete tower tube is the smallest, but the existing concrete tower tube generally adopts the prestress steel strands which are configured from the bottom of the concrete tower tube to the top in the same number, and is tensioned once after the concrete tower tube is hoisted, so that the prestress which is applied to the concrete tower tube from the bottom to the top is the same, and the prestress which is needed to the bottom of the concrete tower tube is used as a reference. This method is feasible and economical when the concrete tower is not high, but when the height of the concrete tower reaches a high value, for example, the height of the concrete tower in the tower of a wind generating set with a hub height of 140m reaches about 90 m, the method causes the following problems:
1. the prestress required by the top of the concrete tower barrel is smaller than the prestress required by the bottom of the concrete tower barrel, but in practice, prestress steel strands are configured from the top to the bottom of the concrete tower barrel according to the prestress required by the bottom of the concrete tower barrel, so that the using amount of the prestress steel strands is greatly increased;
2. the prestress applied to the top of the concrete tower barrel is far more than the prestress required by the concrete tower barrel, so that the strength grade of the concrete at the top is improved or the thickness of the concrete ring piece is increased, and the cost is not saved;
3. one-time tensioning is required to be carried out after all the tube sections are hoisted, so that the time of the concrete tower tube in an unconstrained state in the construction process is long, for example, before prestress is applied to the 90-meter high concrete tower tube, the wind load borne by the concrete tower tube is resisted by the dead weight of the concrete tower tube, and the risk in the construction process is high.
Disclosure of Invention
The invention aims to provide a wind power tower cylinder with a full-subsection tensioning prestressed concrete structure, which can reduce the consumption of steel strands and the strength grade of a high section part of a concrete cylinder section by adopting a full-subsection tensioning external prestressed system for the concrete tower cylinder.
The invention is realized by the following steps:
a wind power tower cylinder with a full-segmented tension prestressed concrete structure comprises a concrete foundation, a concrete tower cylinder, a steel tower cylinder and steel strands, wherein the concrete tower cylinder is arranged on the concrete foundation, and the steel tower cylinder is arranged on the concrete tower cylinder;
a plurality of first pore channels are uniformly arranged at the joint of the concrete foundation and the concrete tower barrel along the circumferential direction; the concrete tower drum is in a hollow round table shape and comprises a plurality of sections of concrete drum sections which are sequentially connected in the vertical direction, a certain two sections of adjacent concrete drum sections in the middle of the concrete tower drum are respectively a middle anchoring lower drum section and a middle anchoring upper drum section, and the highest section of concrete drum section of the concrete tower drum is a top concrete drum section; the top surface of the middle anchoring lower shell ring is provided with a bracket, and a plurality of second pore channels are uniformly arranged on the bracket along the circumferential direction; the bottom surface of the middle anchoring upper shell ring is provided with a bracket, and a plurality of third pore channels are uniformly arranged on the bracket along the circumferential direction; the second and third orifices are aligned one-to-one; the top surface of the top concrete shell ring is provided with a bracket, and a plurality of fourth pore channels are uniformly arranged on the bracket along the circumferential direction; the number of the first pore passages is the same as that of the fourth pore passages, and the number of the second pore passages is twice of that of the first pore passages;
the steel stranded wires comprise a plurality of bundles of low-section cylindrical shell section steel stranded wires and a plurality of bundles of high-section cylindrical shell section steel stranded wires; each low-section cylindrical shell section steel strand and each high-section cylindrical shell section steel strand are fixedly arranged on the inner side of the concrete tower barrel along the direction of the circular truncated cone bus; the lower end of the low-section cylindrical shell section steel strand penetrates through the first pore channel and is anchored on a concrete foundation, and the upper end of the low-section cylindrical shell section steel strand penetrates through the second pore channel and the third pore channel and is anchored on a bracket of the middle anchoring upper cylindrical shell section; the lower end of the high-section cylindrical shell section steel strand penetrates through the third pore channel and the second pore channel and is anchored on the bracket of the middle anchoring lower cylindrical shell section, and the upper end of the high-section cylindrical shell section steel strand penetrates through the fourth pore channel and is anchored on the bracket of the top concrete cylindrical shell section; the plurality of bundles of low-section cylindrical shell section steel stranded wires and the plurality of bundles of high-section cylindrical shell section steel stranded wires are sequentially and alternately arranged along the circumferential direction;
the top surface of top concrete shell ring sets up a plurality of high-strength prestressed anchor bolts for the bottom of connecting the steel tower section of thick bamboo.
The concrete shell ring is integrally formed.
The concrete cylinder section is formed by assembling a plurality of cylinder sheets, and adjacent cylinder sheets are connected through bolts or concrete grouting.
The number of the steel strands of each low-section cylindrical shell section steel strand is greater than that of the steel strands of each high-section cylindrical shell section steel strand.
And the high-strength prestressed anchor bolts are uniformly arranged along the circumferential direction.
The number of the first pore channels is 12-20.
The height of the concrete shell ring is 3-4.2 meters, and the diameter of the concrete shell ring is 4-9 meters.
The steel tower cylinder comprises a plurality of sections of steel cylinder sections which are sequentially connected in the vertical direction, and adjacent steel cylinder sections are fixedly connected through high-strength bolts.
The height of the steel cylinder section is 20-30 meters, and the diameter of the steel cylinder section is 3-5 meters.
According to the wind power tower cylinder with the fully-segmented tensioning prestressed concrete structure, firstly, an external prestressed system of the fully-segmented tensioning is realized by utilizing a multi-segment shell ring structure of the concrete tower cylinder, a large number of prestressed steel strands are distributed at a low segment part with large prestress required by the concrete tower cylinder, and a small number of prestressed steel strands are distributed at a high segment part with small prestress required by the concrete tower cylinder, so that the using amount of the steel strands can be reduced, and the cost is saved.
And secondly, the prestress applied to the high section part of the concrete tower tube is reduced, so that the requirement on the strength grade of the concrete shell ring positioned in the high section part is reduced, the wall thickness of the shell ring can be reduced, and the cost is saved.
Moreover, through the sectional tensioning of the concrete tower barrel, namely, the tensioning and anchoring of the first prestress is carried out after the hoisting of the middle anchoring lower barrel section and the middle anchoring upper barrel section is completed, the height of the concrete barrel section in an unconstrained state in the construction process is reduced, the time in the unconstrained state is correspondingly reduced, and the risk in the construction process is obviously reduced.
Compared with the prior art, the invention has the following beneficial effects: the use amount of prestressed steel strands can be reduced, the strength grade requirement of the concrete tower drum part barrel section can be reduced, the cost is saved, and the risk existing in the construction process can be effectively reduced by adopting twice prestressed tension anchoring.
Drawings
FIG. 1 is a schematic structural diagram of a wind power tower cylinder with a fully segmented tension prestressed concrete structure according to the invention;
FIG. 2 is a schematic structural view of a concrete tower of the present invention;
fig. 3 is a schematic view of the position of the steel strand of the present invention.
In the figure, 1 concrete foundation, 2 concrete tower tube, 20 concrete tube section, 21 middle anchoring lower tube section, 22 middle anchoring upper tube section, 23 top concrete tube section, 24 high-strength prestressed anchor bolt, 3 steel tower tube, 41 low-section tube section steel strand, 42 high-section tube section steel strand, 43 third hole and 44 fourth hole.
Detailed Description
The invention is further described with reference to the following figures and specific examples.
Referring to fig. 1, the wind power tower cylinder with the full-segment tension prestressed concrete structure comprises a concrete foundation 1, a concrete tower cylinder 2, a steel tower cylinder 3 and steel strands, wherein the concrete tower cylinder 2 is arranged on the concrete foundation 1, and the steel tower cylinder 3 is arranged on the concrete tower cylinder 2. The concrete foundation 1 is a hollow structure. The concrete tower tube 2 is in a hollow round table shape with a small top and a large bottom, the concrete tower tube 2 comprises a plurality of sections of concrete tube sections 20 which are sequentially connected along the vertical direction, and the upper surface and the lower surface of each section of concrete tube section 20 are planes. Preferably, concrete shell ring 20 is integrated into one piece's whole annular structure, or concrete shell ring 20 includes a plurality of section of thick bamboo pieces, and a plurality of section of thick bamboo pieces are assembled and are constituteed hollow round platform shape, and adjacent section of thick bamboo piece passes through bolt or concrete grout and connect, and section of thick bamboo piece quantity can be 2~ 4. The steel tower barrel 3 comprises a plurality of sections of steel barrel sections which are sequentially connected in the vertical direction, and adjacent steel barrel sections are fixedly connected through high-strength bolts. Preferably, the height of the concrete shell ring 20 is 3-4.2 meters, the diameter of the concrete shell ring 20 is 4-9 meters, the height of the steel shell ring is 20-30 meters, and the diameter of the steel shell ring is 3-5 meters.
The concrete foundation 1 is evenly provided with a plurality of first pore channels along the circumference at the junction of the concrete tower barrel 2, and the number of the first pore channels is preferably 12-20. Referring to fig. 2 and 3, a certain two sections of adjacent concrete shell sections in the middle of the concrete tower tube 2 are respectively a middle anchoring lower shell section 21 and a middle anchoring upper shell section 22, and the highest section of concrete shell section of the concrete tower tube 2 is a top concrete shell section 23. The top surface of the middle anchoring lower shell ring 21 is provided with a bracket, and a plurality of second pore channels are uniformly arranged on the bracket along the circumferential direction. The bottom surface of the middle anchoring upper shell ring 22 is provided with a bracket, and a plurality of third hole channels 43 are uniformly arranged on the bracket along the circumferential direction. The second and third bores 43 are aligned one-to-one. The top surface of top concrete shell ring 23 sets up the bracket, evenly sets up a plurality of fourth pore ways 44 along circumference on the bracket. The first and fourth channels 44 are the same number, and the second channel is twice the number of the first channels. The first pore channel, the second pore channel, the third pore channel and the fourth pore channel are used for anchoring steel strands applying prestress, and constructors can enter the concrete foundation 1 to perform rope penetrating, tensioning and anchoring work.
The steel strands comprise a plurality of bundles of low-section cylindrical shell section steel strands 41 and a plurality of bundles of high-section cylindrical shell section steel strands 42, and each bundle of low-section cylindrical shell section steel strands 41 and each bundle of high-section cylindrical shell section steel strands 42 are fixedly arranged on the inner side of the concrete tower tube 2 along the direction of the circular truncated cone bus. Specifically, the lower end of the low-section cylindrical steel strand 41 passes through the first hole passage and is anchored on the concrete foundation 1, and the upper end of the low-section cylindrical steel strand 41 passes through the second hole passage and the third hole passage 43 and is anchored on the bracket of the middle anchoring upper cylindrical section 22. The lower end of the high-section cylindrical shell section steel strand 42 passes through the third pore passage 43 and the second pore passage and is anchored on the bracket of the middle anchoring lower cylindrical shell section 21, and the upper end of the high-section cylindrical shell section steel strand 42 passes through the fourth pore passage 44 and is anchored on the bracket of the top concrete cylindrical shell section 23. The plurality of bundles of low-section cylindrical steel stranded wires 41 and the plurality of bundles of high-section cylindrical steel stranded wires 42 are sequentially and alternately arranged along the circumferential direction. Preferably, the number of the steel strands of each low-section cylindrical-section steel strand 41 is greater than that of the steel strands of each high-section cylindrical-section steel strand 42. Therefore, an external prestress system of whole sectional tensioning is realized on the concrete tower barrel, a large number of prestress steel strands are arranged at the lower section part of the concrete tower barrel with large prestress, and a small number of prestress steel strands are arranged at the high section part of the concrete tower barrel with small prestress, so that the using amount of the steel strands can be reduced.
Referring to fig. 3, a plurality of high-strength prestressed anchor bolts 24 are arranged on the top surface of the top concrete shell 23 for connecting the bottom of the steel tower 3. The high-strength prestressed anchor bolts 24 are uniformly arranged along the circumferential direction.
In this embodiment, the diameter of the bottom of the concrete tower section of thick bamboo is 8 meters, and the diameter of the top of the concrete tower section of thick bamboo is 4.5 meters, and the height of the concrete tower section of thick bamboo is 32 meters. The concrete tower tube comprises 8 sections of concrete tube sections, namely, the height of each section of concrete tube section is 4.0 meters. Each section of concrete shell ring is of a whole annular structure. The concrete tower section of thick bamboo is at 16 meters height mark, from up counting down, and the 4 th concrete shell ring is shell ring under the middle anchor, and the 5 th concrete shell ring is the shell ring on the middle anchor. The concrete foundation is provided with 16 first pore passages. The top surface of the middle anchoring lower shell ring is provided with a circle of brackets towards the axis, and the brackets are evenly provided with 32 second pore channels along the circumferential direction. The bottom surface of the middle anchoring upper shell ring is provided with a circle of brackets towards the axis, and the brackets are evenly provided with 32 third pore channels along the circumferential direction. The top surface of top concrete shell ring sets up the round bracket to the axle center, evenly sets up 16 fourth pore along circumference on the bracket. The second pore canal and the third pore canal are aligned one by one to form 32 steel strand channels, wherein 16 steel strand channels evenly distributed along the circumferential direction are used for anchoring the low-section cylindrical shell section steel strands, the 16 steel strand channels are consistent with the 16 first pore canals on the concrete foundation in position, the remaining 16 steel strand channels evenly distributed along the circumferential direction are used for anchoring the high-section cylindrical shell section steel strands, and the remaining 16 copper strand channels are consistent with the 16 fourth pore canals on the top concrete cylindrical shell section in position, so that the low-section cylindrical shell section steel strands and the high-section cylindrical shell section steel strands are sequentially and alternately arranged along the direction of the circular truncated cone bus and are positioned on the inner side of the concrete tower barrel. The total number of the low-section cylindrical shell section steel stranded wires is 16, each low-section cylindrical shell section steel stranded wire comprises 20 steel stranded wires, the total number of the high-section cylindrical shell section steel stranded wires is 16, and each high-section cylindrical shell section steel stranded wire comprises 12 steel stranded wires.
The wind power tower cylinder with the fully-segmented tension prestressed concrete structure realizes external prestress of the fully-segmented tension prestressed concrete tower cylinder, so that different prestress can be applied to the low-segment part and the high-segment part of the concrete tower cylinder according to needs, the using amount of steel strands can be reduced, the strength grade of the concrete tower cylinder can be reduced, the cost is saved, and meanwhile, the construction risk is greatly reduced.
The present invention is not limited to the above embodiments, and any modifications, equivalent replacements, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A wind power tower cylinder with a full-segmented tensioning prestressed concrete structure comprises a concrete foundation (1), a concrete tower cylinder (2), a steel tower cylinder (3) and steel strands, wherein the concrete tower cylinder (2) is arranged on the concrete foundation (1), and the steel tower cylinder (3) is arranged on the concrete tower cylinder (2); the method is characterized in that:
a plurality of first pore channels are uniformly arranged at the joint of the concrete foundation (1) and the concrete tower barrel (2) along the circumferential direction; the concrete tower tube (2) is in a hollow circular truncated cone shape and comprises a plurality of sections of concrete tube sections (20) which are sequentially connected in the vertical direction, a certain two sections of adjacent concrete tube sections in the middle of the concrete tower tube (2) are respectively a middle anchoring lower tube section (21) and a middle anchoring upper tube section (22), and the highest section of concrete tube section of the concrete tower tube (2) is a top concrete tube section (23); the top surface of the middle anchoring lower shell ring (21) is provided with a bracket, and a plurality of second pore channels are uniformly arranged on the bracket along the circumferential direction; the bottom surface of the middle anchoring upper shell ring (22) is provided with a bracket, and a plurality of third pore channels (43) are uniformly arranged on the bracket along the circumferential direction; the second and third orifices (43) are aligned one-to-one; the top surface of the top concrete shell ring (23) is provided with a bracket, and a plurality of fourth pore channels (44) are uniformly arranged on the bracket along the circumferential direction; the first and fourth ports (44) are equal in number, the second port being twice the number of the first ports;
the steel stranded wires comprise a plurality of bundles of low-section cylindrical shell section steel stranded wires (41) and a plurality of bundles of high-section cylindrical shell section steel stranded wires (42); each low-section cylindrical shell section steel strand (41) and each high-section cylindrical shell section steel strand (42) are fixedly arranged on the inner side of the concrete tower barrel (2) along the direction of a circular truncated cone bus; the lower end of the low-section cylindrical shell section steel strand (41) penetrates through the first pore passage and is anchored on the concrete foundation (1), and the upper end of the low-section cylindrical shell section steel strand penetrates through the second pore passage and the third pore passage (43) and is anchored on the bracket of the middle anchoring upper cylindrical shell section (22); the lower end of the high-section cylindrical shell section steel strand (42) penetrates through the third pore channel (43) and the second pore channel and is anchored on a bracket of the middle anchoring lower cylindrical shell section (21), and the upper end of the high-section cylindrical shell section steel strand penetrates through the fourth pore channel (44) and is anchored on a bracket of the top concrete cylindrical shell section (23); the plurality of bundles of low-section cylindrical shell section steel stranded wires (41) and the plurality of bundles of high-section cylindrical shell section steel stranded wires (42) are sequentially and alternately arranged along the circumferential direction;
the top surface of the top concrete shell ring (23) is provided with a plurality of high-strength prestressed anchor bolts (24) for connecting the bottom of the steel tower tube (3).
2. The all-section tensioned prestressed steel-concrete structure wind power tower cylinder according to claim 1, characterized in that: the concrete shell ring (20) is integrally formed.
3. The all-section tensioned prestressed steel-concrete structure wind power tower cylinder according to claim 1, characterized in that: the concrete shell ring (20) is formed by assembling a plurality of shell pieces, and adjacent shell pieces are connected through bolts or concrete grouting.
4. The all-section tensioned prestressed steel-concrete structure wind power tower cylinder according to claim 1, characterized in that: the number of the steel strands of each low-section cylindrical shell section steel strand (41) is greater than that of the steel strands of each high-section cylindrical shell section steel strand (42).
5. The all-section tensioned prestressed steel-concrete structure wind power tower cylinder according to claim 1, characterized in that: and the high-strength prestressed anchor bolts (24) are uniformly arranged along the circumferential direction.
6. The wind power tower cylinder with the whole segmented tensioned prestressed concrete structure according to claim 1, is characterized in that: the number of the first pore channels is 12-20.
7. The all-section tensioned prestressed steel-concrete structure wind power tower cylinder according to claim 1, characterized in that: the height of the concrete shell ring (20) is 3-4.2 meters, and the diameter of the concrete shell ring (20) is 4-9 meters.
8. The all-section tensioned prestressed steel-concrete structure wind power tower cylinder according to claim 1, characterized in that: the steel tower tube (3) comprises a plurality of sections of steel cylinder sections which are sequentially connected in the vertical direction, and adjacent steel cylinder sections are fixedly connected through high-strength bolts.
9. The all-section tensioned prestressed steel-concrete structure wind power tower cylinder according to claim 8, characterized in that: the height of the steel cylinder section is 20-30 meters, and the diameter of the steel cylinder section is 3-5 meters.
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| CN208057315U (en) * | 2018-03-06 | 2018-11-06 | 中国电建集团华东勘测设计研究院有限公司 | A kind of fragment prefabricated Wind turbines prestressed concrete tower cylinder |
| CN108193592A (en) * | 2018-03-19 | 2018-06-22 | 上海市城市建设设计研究总院（集团）有限公司 | Chain type prefabricated components connection structure |
| CN112283045A (en) * | 2020-09-08 | 2021-01-29 | 青岛华斯壮能源科技有限公司 | Framework type external prestress anti-fatigue steel tower structure |
| CN214464676U (en) * | 2021-02-02 | 2021-10-22 | 上海市机电设计研究院有限公司 | Wind power tower cylinder with all-section tensioning prestressed concrete structure |
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